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/*
Copyright (c) 2006-2009, Tom Thielicke IT Solutions
SPDX-License-Identifier: GPL-2.0-only
*/
/****************************************************************
**
** Implementation of the HelpBrowser class
** File name: helpbrowser.cpp
**
****************************************************************/
#include <QCoreApplication>
#include <QDebug>
#include <QHBoxLayout>
#include <QPrintDialog>
#include <QPrinter>
#include <QVBoxLayout>
#include "def/defines.h"
#include "helpbrowser.h"
HelpBrowser::HelpBrowser(QString link, QWidget* parent)
: QDialog(parent)
, textBrowser(new QTextBrowser(this))
{
setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
setWindowTitle(tr("Help"));
// setModal(false);
// Create buttons
createButtons();
textBrowser->setOpenExternalLinks(true);
QString rooturl(QString("file:///") + t10::getDataDir());
textBrowser->setSource(
rooturl + QString("help/") + tr("en") + QString("/index.html"));
if (link != "") {
textBrowser->setSource(rooturl + QString("help/") + tr("en")
+ QString("/content/") + link);
}
// Set the layout of all widgets created above
createLayout();
// Widget connections
connect(buttonClose, &QPushButton::clicked, this, &HelpBrowser::clickClose);
connect(buttonBack, &QPushButton::clicked, textBrowser,
&QTextBrowser::backward);
connect(
buttonHome, &QPushButton::clicked, textBrowser, &QTextBrowser::home);
connect(buttonPrint, &QPushButton::clicked, this, &HelpBrowser::clickPrint);
connect(textBrowser, &QTextBrowser::sourceChanged, this,
&HelpBrowser::changePage);
connect(textBrowser, &QTextBrowser::backwardAvailable, buttonBack,
&QWidget::setEnabled);
buttonClose->setFocus();
resize(790, 570);
}
void HelpBrowser::createButtons()
{
// Buttons
buttonBack
= new QPushButton(QIcon(":/img/help_arrow_left.png"), tr("Back"));
buttonBack->setEnabled(false);
buttonHome = new QPushButton(
QIcon(":/img/help_home.png"), tr("Table of Contents"));
buttonClose = new QPushButton(tr("&Close"));
buttonClose->setDefault(true);
buttonPrint
= new QPushButton(QIcon(":/img/help_print.png"), tr("&Print page"));
}
void HelpBrowser::createLayout()
{
// Button layout horizontal
QHBoxLayout* buttonLayoutTop = new QHBoxLayout;
buttonLayoutTop->addWidget(buttonBack);
buttonLayoutTop->addWidget(buttonHome);
buttonLayoutTop->addStretch(1);
buttonLayoutTop->addWidget(buttonPrint);
// Center layout horizontal
QHBoxLayout* layoutHorizontal = new QHBoxLayout;
layoutHorizontal->addSpacing(1);
layoutHorizontal->addWidget(textBrowser);
layoutHorizontal->addSpacing(1);
// Button layout horizontal
QHBoxLayout* buttonLayoutBottom = new QHBoxLayout;
buttonLayoutBottom->addStretch(1);
buttonLayoutBottom->addWidget(buttonClose);
// Full layout of all widgets vertical
QVBoxLayout* mainLayout = new QVBoxLayout;
mainLayout->addLayout(buttonLayoutTop);
mainLayout->addLayout(layoutHorizontal);
mainLayout->addSpacing(1);
mainLayout->addLayout(buttonLayoutBottom);
mainLayout->setSpacing(15);
// Pass layout to parent widget (this)
this->setLayout(mainLayout);
}
void HelpBrowser::clickClose() { accept(); }
void HelpBrowser::clickPrint()
{
QPrinter printer;
QPrintDialog* dialog = new QPrintDialog(&printer, this);
dialog->setWindowTitle(tr("Print page"));
if (dialog->exec() != QDialog::Accepted)
return;
textBrowser->print(&printer);
}
void HelpBrowser::changePage(QUrl url)
{
qDebug() << "changePage Function, parameter: " << url;
// this->setWindowTitle(url.toString());
}
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